Which of the following sulphides is insoluble in dilute H...
Which of the following sulphides is insoluble in dilute HCl?
Na2S
ZnS
CuS
FeS
Correct answer is C
No explanation has been provided for this answer.
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Consider the neutralization reaction represented by the following equation: Na2CO3 + 2HNO 3 → 2...
A mixture is different from a compound because ...
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A solid substance with high melting and boiling points is likely to be a/an ...
An element Z contains 80% of \(^{16} _8\)Z and 20% of \(^{18} _8\)Z. Its relative atomic mass is...